system software is a set of programs that enables a computer to perform routine tasks. types of system software are operating system & utility programs.
System is a collection of programs which control the overall functions of which control the overall functions of computer.
An operating system is a program that acts as an interface between the user of a computer and the computer hardware. The purpose of operating system is to provide an environment in which a user can execute programs in a efficient manner. Operating system also acts as a platform on which various application programs such as word processor and excel are executed.
CPU-Central Processing Unit (With History and Complete Detail)Adeel Rasheed
CPU is the heart and brain of a computer. It receives data as input.The Central Processing Unit (CPU) is simply the central processor or the processor where most calculation takes places.
System is a collection of programs which control the overall functions of which control the overall functions of computer.
An operating system is a program that acts as an interface between the user of a computer and the computer hardware. The purpose of operating system is to provide an environment in which a user can execute programs in a efficient manner. Operating system also acts as a platform on which various application programs such as word processor and excel are executed.
CPU-Central Processing Unit (With History and Complete Detail)Adeel Rasheed
CPU is the heart and brain of a computer. It receives data as input.The Central Processing Unit (CPU) is simply the central processor or the processor where most calculation takes places.
Operation Java games apps systems presentationnofove2839
osjjjkkkbnmbvhbiofifhvgvjfhfh vhubbjf h na to the best for this week toh lgghe jayga ta bojhar strong in this world 🌍 h h na ho toh kya baat h na ho to the best of them are rife h na to get it to me everybody has kya hai to kya hota h or kya h ye sona sona chandi lut v hatya kar shav ki potli banakar use lugadi ko ppt mei h na tu dimaag SE nahi hota hai
Operation Java games apps systems presentationnofove2839
osjjjkkkbnmbvhbiofifhvgvjfhfh vhubbjf h na to the best for this week toh lgghe jayga ta bojhar strong in this world 🌍 h h na ho toh kya baat h na ho to the best of them are rife h na to get it to me everybody has kya hai to kya hota h or kya h ye sona sona chandi lut v hatya kar shav ki potli banakar use lugadi ko ppt mei h na tu dimaag SE nahi hota hai
Self-awareness is the capacity to look inward and understand our own feelings, emotions, stressors, and personality. These key understandings play a critical role in influencing our judgements, decisions, and interactions with other people.
Information technology is a scientific method used to store information, to arrange it for proper use and to communicate it to others.
computer based information system consists of hardware, software, data, people, procedures. information flow from sender to receiver. In telephone information is sent through wires in the form of electrical signals .
In radio, television and cell phone information is sent either through space in the form of electromagnetic waves or through optical fiber in the form of light.
A scaffold is any temporary, elevated work platform and its supporting structure used for holding people, materials, or both.
Simply we can say that it is the gradual release of responsibility.
Scaffolding is breaking up the learning into chunks and providing a tool, or structure, with each chunk.
Reflective teaching means looking at what you do in the classroom, thinking about why you do it, and thinking about if it works . shortly it means self observation.
Reflective teaching is effective teaching.
It is a process of self evaluation and self observation.
It involves recognizing, analyzing, assessing and contemplation over the way an individual teaches.
It is a continuous process of evaluating and updating that what are you doing and how you can improve it.
It is a personal tool to evaluate yourself the way you behave in your class.
It enhance the quality of teaching.
the main area of teaching process is pedagogy. a teacher must know about all the pedagogical skills to make her teaching process more effective and interesting. a teacher should bring innovation in these skills .there are different kinds of pedagogical skills. each one is used on the basis of grade level and mental ability of student.
The main types of pedagogical skills are controlling students, teaching content effectively, tailoring content to meet the needs.
An autobiography is a self-written account of one's life. it is written by the subject themselves. The word "autobiography" was first used deprecatingly by William Taylor in 1797 in the English periodical The Monthly Review, when he suggested the word as a hybrid, but condemned it as "pedantic".
A picture description is an ideal way of practising your English vocabulary in all sorts of fields. it improves your English vocabulary and pronunciation.
This is all about internet and the things related to it like search engine, web browser, modem & URL etc. internet is the global network that connects people all over the world. it has different requirements to perform this function. All these aspects are explained in detail. internet is the requirement of this time. its uses are also discussed
this presentation highlight the importance of computer security. computer viruses and other harmful software can infect our computers and damage computer hardware and software. computer user must know about the different security measures to protect computer from these threats. this presentation presents material about different ways of computer security and moral guidelines for ethical use of computer.
this presentation explains how data is represented in digital computer. it describes digital logic, logic gates and boolean functions. you can learn how to convert boolean function into logic circuit
this topic covers all the steps involved in problem solving in computer science. It will help you understand that how can we go through different steps to find a good solution to a problem.
group of computers connected with each other to share information or resources. A network can be small or a large. it can be created in a building or spread all over the world. Networks are main source of communication all over the world. The most common resource shared today is connection to the Internet.
Classroom management is a term teachers use to describe the process of ensuring that classroom lessons run smoothly without disruptive behavior from students compromising the delivery of instruction.. different classroom management tips and techniques are used to maintain discipline in class.
there are different number system such as binary, decimal, octal and hexadecimal. binary has 2 digits 0 & 1. decimal has 0 to 9 digits. octal has 0 to 7 digits. and hexadecimal number system has 0 to 9 digits and 10 to 15 are denoted by alphabets. such as A=10, B=11 etc.
tress is a normal psychological and physical reaction to the demands of life. A small amount of stress can be good, motivating you to perform well but when it is more then it can affect your life. Stress management starts with identifying the sources of stress in your life. after knowing the causes of stress, you can try to avoid such situations
it refers to the skills and techniques teachers use to keep the class organized, attentive and focused. it helps in dealing with class discipline .classroom management tips help teachers settle problems, or prevent them from occurring, so that they can spend more of the classroom hour in teaching and learning.
technology is changing rapidly that hardly any human activity will be possible in the coming year without the use of computer. we must be aware of these technological changes.
Lesson plan:Multiplication and division of binary numberssamina khan
Bi means two. Binary numbers are 0 and 1. we can add, subtract, multiply and divide. This lesson plan is related to multiplication and division of binary numbers. teacher will solve different questions to clear the method of binary multiplication and division.
computer network is a group of interconnected computers that share information and resources. The most common resource shared today is connection to the Internet. Other shared resources can include a printer or a file server. The Internet itself can be considered a computer network. Two basic network types are local-area networks (LANs) and wide-area networks (WANs). LANs connect computers and peripheral devices in a limited physical area, such as a business office, laboratory, or college campus, by means of links (wires, Ethernet cables, fibre optics, Wi-Fi) that transmit data rapidly.
Computer is a very effective tool which can be used in different areas. Some of the application areas of computer are banking, education, industries, entertainments, hospitals, data processing etc. use of computer has made our life easier but also caused unemployment because machines are used to work in different places. we should improve our skills and expertise and move towards skilled work instead of manual labour.
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Code reviews are vital for ensuring good code quality. They serve as one of our last lines of defense against bugs and subpar code reaching production.
Yet, they often turn into annoying tasks riddled with frustration, hostility, unclear feedback and lack of standards. How can we improve this crucial process?
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Prosigns: Transforming Business with Tailored Technology SolutionsProsigns
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Software Engineering, Software Consulting, Tech Lead.
Spring Boot, Spring Cloud, Spring Core, Spring JDBC, Spring Security,
Spring Transaction, Spring MVC,
Log4j, REST/SOAP WEB-SERVICES.
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Software Engineering, Software Consulting, Tech Lead, Spring Boot, Spring Cloud, Spring Core, Spring JDBC, Spring Transaction, Spring MVC, OpenShift Cloud Platform, Kafka, REST, SOAP, LLD & HLD.
In 2015, I used to write extensions for Joomla, WordPress, phpBB3, etc and I ...Juraj Vysvader
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4. Objectives
• Explain system software and its types
• Explain BIOS
• Explain the function, components and types of
operating system.
• Explain some common utility programs and
software development tools.
11/3/2019 4
5. System software
• Set of programs
• Enables a computer to perform routing tasks
such as starting up, managing files and shutting
down.
• There are several types of operating system
depending on the type of task they perform.
6. BIOS
• This program is stored on a read-only chip on
the motherboard.
• It provides the software framework for
controlling items, such as the cooling system's
temperature, fan speed, the details of how the
processor will run and which hard drive (if the
computer has more than one) to boot from.
• It acts as the interface between the operating
system and the hardware.
7. Operating system
• Once the operating system and system devices
have been activated, the BIOS transfers control
of the computer to the operating system.
• The operating system is a very important system
software.
• It consists of a set of programs and data for
performing general tasks on a computer.
8. Functions of operating system
• Operating system perform several important
tasks:
• Booting up and providing a user interface
• Managing programs
• Managing files and directories
• Controlling system devices
• Multitasking
9. Booting up & providing a user interface
• The operating system also helps in booting up
process.
• Once the computer has been booted up, the
user can work on it.
• User interface allows a user to communicate
with the computer.
10. Managing programs
• Operating system runs all system & application
software stored on computer.
• Any problem in operating system means that
neither system nor application software can run
properly.
11. Managing files and directories
• It maintains files and folders by storing each file
at a unique location in its memory.
• It can also change the location of file if required
by user.
• It also allows the same file to be used by two
different application programs.
12. Controlling system devices
• It controls system devices such as peripherals
and drives.
• It ensures that the devices perform the exact
function that is needed by the user.
• It coordinates between the devices & application
programs.
13. Multitasking
• Multitasking means doing two or more things at
the same time.
• The operating system lets users use several
devices & work on several application programs
at the same time.
14. Components of an operating system
• Operating system has many important parts to
perform its functions
• The loader
• Programs and instructions
• The user computer interface
15. The loader
• Loads all programs and instructions from backup
storage to main memory.
• Once the programs have been loaded, the user
can start work on them.
• Instructions are followed by the computer to
perform the tasks required by the user.
• The loader also activates other devices and
components.
16. Programs and instructions
• The operating system contains several programs
that can be run by the computer.
• The operating system also contains instructions
that the computer can follow to run the
programs.
• The device driver is a program that automatically
runs the system devices.
• These devices are installed through drivers.
• The device manager tells the user whether their
drivers are updated or not.
17. The user-computer interface
• The user interface allows the user to
communicate with the operating system.
• There are two types of interface.
1. Command Line Interface(CLI)
2. Graphical User Interface(GUI)
• CLI is faster but GUI is simpler to use.
18. Command Line Interface
• A CLI is a mechanism for interacting with a
computer operating system by typing commands
to perform specific tasks.
• This method of instructing a computer to
perform a given task is referred to as "entering"
a command.
• Accept input via keyboard only.
• DOS operating system is based on CLI that follow
the typed commands
• Not suitable for beginners.
19. Graphical User Interface
• Microsoft Windows operating system based on
GUI.
• It is easy to use because the user can click on
any icon to move to a desired file or folder.
• GUI is also called WIMP(windows, Icons, Menus,
Pointing device) interface.
20. Types of Operating system
• Some operating systems like Microsoft Windows
can be used on personal computers while other
operating systems can be used on embedded
microprocessors or servers.
• Most operating systems don’t allow users to
change the instructions that are part of the
software. Instructions can only be changed by
company.
• Some operating systems allow user to make
changes . Such software is called open source
software e.g Linux
21. Types of Operating system
• There are special operating systems for
universities, businesses, engineering firms,
companies and military agencies that perform
their specific task required by the user.
23. Utility programs
• Utility programs enables users to perform its
tasks efficiently.
• Some common utility programs are:
1. The file manager
2. The image viewer
3. The disk scanner
4. The disk defragmenter
5. The virus scanner
6. Backup software
24. 1. The File manager
• It allows users to interact with the files stored on
the computer.
• We use it to create, edit, access, move, delete or
replace files.
25. 2. The image viewer
• The image viewer can store images.
• It also has features such as zooming, rotation,
previews, slide show, thumbnails, display, full
screen display and so on.
26. 3. The disk scanner
• It searches the hard disk for unnecessary or
damaged files and suggest what to do about
them.
• It also manages folders like Temporary
• Internet Files to release space for essential data.
• Microsoft Disk Cleanup is a common disk
scanner.
27. 4. The disk defragmenter
• Sometimes different parts of the same file might
be stored at different locations in the memory of
computer. The file is said to be fragmented.
• A disk defragmenter moves all the fragments of
the file to consecutive locations for quicker
access.
28. 5. The virus scanner
• It scans the system for viruses and deletes them
before they can cause any more damages.
29. 6. Back-up software
• We can lose our entire data because of hard
disk failure or sometime we might accidently
delete some important files.
• Back-up software helps avoid permanent data
loss in such situations.
• It makes copies of data so that if the original
files are deleted, the data can be restored from
back-up.
31. Software development tools
• These programs are used to improve system or
application software.
• There are three common types of software
development tools:
1. Compiler
2. Linker
3. Debugger
32. 1. Compiler
• It converts instructions in high-level
programming language into binary code.
• The instructions in programming language are
called source code.
• The converted instructions in binary code are
called object code.
• A set of code in binary language is called an
object file.
33. How a compiler works?
Source
Code
Compiler
Object
Code
Source File Object File
34. 2. Linker
• It combines two or more related object files
into a single file.
35. How a linker works?
Source
Code
Compiler
Object
Code
Source
Code
Compiler
Object
Code
Linker
Executable
File
36. 3. Debugger
• The object file created by the compiler might
contain some errors. Such errors are called
bugs.
• A debugger is a program that tests the object
file for bugs and remove them.
• The process of removing bugs from a program
is called debugging.